Home / 787,690-1,687,464

Finding the Third Proportional to 787,690 and 1,687,464

Calculator

Solution

The third proportional to 787,690 and 1,687,464 is: 3,615,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,690 : 1,687,464 = 1,687,464 : x
  2. Step 2: Convert to fraction form
    787,690/1,687,464 = 1,687,464/x
  3. Step 3: Cross multiply
    787,690x = 1,687,464 × 1,687,464
  4. Step 4: Simplify right side
    787,690x = 2,847,534,751,296
  5. Step 5: Solve for x
    x = 2,847,534,751,296/787,690
  6. Step 6: Final answer
    x = 3,615,044.94

Related Problems

Find third proportional to 393,845 and 843,732
Half scale
Find third proportional to 1,575,380 and 3,374,928
Double scale
Find third proportional to 787,692 and 1,687,468
Similar ratio
Find third proportional to 1,181,535 and 2,531,196
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.